Old Part Numbers: A19715, CAC-4337-1, D288261/2" male NPT x 1/2" compression check valve, with 1/4" compression adapter. For model D55167 type 1 and others. If the small unloader (bleeder) valve on...

Old Part Numbers: 5130038-00, 5130024-001/4" OD brass compression nut and sleeve for bleeder (unloader) tube for air compressors.

Old Part Numbers: 2901324963, 136-0049Air compressor intercooler safety valve for the B4900/T29S/B5900 pumps. If your valve leaks below the pressure listed on the side of the valve, replace this...

Complete gasket kit for the B5900 Air Compressor Pump. Includes the head, inner valve plate, cylinder, crankcase, oil pan, bearing cover, aftercooler and intercooler gaskets. If the compressor pump...

Old Part Numbers: Z-D20596, D20596OEM replacement pressure switch, 145/175 PSI. This switch replaces the Z-D20596. Replace the Pressure Switch if the unit doesn't cut on or off at the designated...

B5900/B5000 Valve Plate Assembly. Item comes in 2 separate packages. B5000 and B5900 pump now use the same valve plate. Poor performance or air leaks out of the intake filter while the unit is...

1/2" compression nut and sleeve, brass.

Air compressor oil site gauge and gasket. Replace if cloudy or leaking.Specifications 1" diameter

MADE TO ORDER. This kit allows you to remove the aftercooler that comes with the new B5900 pump and install this adapter kit. Simply remove the aftercooler, clean off the gasket material, install the...

Old Part Numbers: 5281000, 019-0104Air filter assembly with element. Protect your air compressor pump from damage by keeping clean or replacing the air filter. Maximum flow of 35 CFM. Replacing the...

Old Part Numbers: ABP-459, Z-ABP-459, 040-0210, 4116090137B5900 Two-Stage Air Compressor Pump Replacement. Includes flywheel, aftercooler, and air filter assembly. Note: If your old B5900 does not...

Air compressor aftercooler gasket. Also available in the complete Gasket Kit. Note: This gasket fits multiple pumps. Confirm the gasket kit you need is for the HP51 or the 

Protect your pump from damage by keeping clean or replacing it. Fits B5900/B6000 pumps. Filter element only.

Four gaskets needed for valve plate and head gaskets.  Note: Two-piece valve plate style only. No returns or refunds. If the compressor pump doesn't seem to pressurize as quickly as it should or is...

Old Part Numbers: 1000298, 9013013Air compressor connecting rod insert. Note: For T39/B5000/B5900 model pumps, order 2 of these if replacing one rod and order 4 of these if replacing both rods.

This handy maintenance kit includes one air filter element for the B5000/B5900/B6000 air compressor and one (1) quart of high-quality fully synthetic lubricant to keep your air compressor running...

Old Part Numbers: 046-0137Oil seal for the crankshaft (flywheel side) of the B5900 air compressor pump.

Old Part Numbers: 5940051Valve plate assembly for B5900 air compressor pumps. Replace this valve plate assembly to restore compression (ABAC). NOTE: Does not include gaskets. To complete your repair...

Old Part Numbers: 68-4-21/8" male NPT x 1/4" compression adapter for air compressor unloader/bleeder line. A very common adapter to attach the 1/4" OD unloader/bleeder line from the unloader valve on...

Old Part Numbers: 2236102113B5900 air compressor pump flywheel, 13.78" OD (outside diameter), 30mm bore. Replace if warped or if missing any cooling fins. Fins should be angled correctly to properly...

Includes all four (4) rings for the smaller, high-pressure (HP) piston (hone the cylinders before installation). For the B5000 and B5900 model air compressor pumps. If you have a sudden loss of...

This handy maintenance kit includes a B5000/B5900/B6000 air filter element and one (1) quart of high-quality synthetic blend lubricant to keep your air compressor running like a champ! Replace the...

Screw that fastens the front and back of the belt  guard to each other, and to the compressor base. THD FORMING

Old Part Numbers: 5130940-00, SSF-8080-ZNFlange nut to attach the wheel to the air tank.

Includes all 3 rings for the larger, low-pressure (LP) piston for the B5900 air compressor pump. Hone the cylinders before installation.

Old Part Numbers: 5050400Graphite head gasket (in between the head and the top of the valve plate) for the B5900 air compressor pump. We recommend ordering the gasket kit, as it will save you money...

Old Part Numbers: 5950600Intercooler gasket for the B5900 air compressor pump. Also available in the B5900Head Gaskets or 53N0056 Gasket Kit. We recommend ordering the gasket kit, as it

Gasket for bottom oil pan of air compressor pump. If the compressor pump doesn't seem to pressurize as quickly as it should or is leaking in between the head, valve plate, cylinder, or crankcase...

Old Part Numbers: 059-0231Air compressor head bolt, M10 x 55mm.

10mm steel aftercooler bolt for B5900/HP51 air compressor pumps.

Bare head for B5900 air compressor pump. Order head gasket separately.

Connecting Rod Assy. Does NOT include 6222726100 Insert Bearings. Order 2 per rod if needed!

Old Part Numbers: 046-0256, 5940301Also available in the B5900Head Gaskets (4 head gaskets) or 53N0056 Gasket Kit (complete gasket kit).  We recommend ordering the gasket kit, as it will save you...

Old Part Numbers: 5962020Intercooler tube between the high and low cylinders (order the intercooler gasket as well).

Old Part Numbers: 8227103, 048-0043Does not include rings.

Old Part Numbers: 5070101, 2236102167Aftercooler, HP51 pump,

This air compressor running gear kit includes the piston, connecting rod, ring kit, and c-clips for High-Pressure (small cylinder) side only. Don't forget to install new gaskets as well.

Old Part Numbers: GA016703AVReplacement Pressure Gauge, 300 psi, 2" Face, Back-Mount (1/4" male NPT).

Adapter for your discharge tube, 1/2" male NPT x 1/2" compression with compression nut and sleeve.

Old Part Numbers: 6211848500, 2236113361Flywheel Bolt, 10 x 35mm.